Re: Newmar Essex
well if u have about $5,000 to $10,000 u can make it run like a champ ,, most of it is injector upgrades,, pump mods ,, and turbo mods ,, and then after all that u need the ECM reflashed ,, and a new control board that u can set up u'r self ,, via fuel ,, boost pressure and such ,,, bty the older 5.9 Cummins came out of the factory set @ only 20% of total power ,, the b-model (5.9) has been around since the late 70's ,, but back then they were only used in mining equip and stuff (pumps,, air inductors) but it will run ,, and as long as the drive train holds up ,, u'r ok ,, i had a super duty driveline made for mine ,, it's was made buy a guy that builds the big 4 and 5 engine tractor pull tractors ,,, it was expensive though $2,000 ,, but it's piece of mind ,, if u know what i mean
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bty the fuel milage did not increase ,, but the black smoke did ,, i have lost about 2mpg witht the mods ,, but i can pull hills better than ever ,, and not slowing anybody else down behind me